<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <!-- 全局组件
        myCom my-com
        Vue.component(组件名称, {
            template: "<div></div>"
        })

        //
        <template id="main">
            <div>
                内容
            </div>
        </template>

        Vue.component(组件名称, {
            template: "#main"
        }) -->
    <div id="app">
      <my-ul></my-ul>
      <my-ul></my-ul>
    </div>
    <script src="../vue.js"></script>
    <script>
      /* 全局组件 Vue.component(组件名称，配置项) */
      Vue.component("my-ul", {
        template:
          "<div><ul><li>123{{ msg }}</li><li>456</li><li>789</li></ul></div>",
        data() {
          return {
            msg: "消息1",
          };
        },
      });
      new Vue({
        el: "#app",
      });
    </script>
  </body>
</html>
